Optimally weighted ESPRIT using uniform circular arrays

Qi Cheng, Runyu Yang, Huimin Zhang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We study a weighted ESPRIT method for estimating the direction cosine (of 2-D angles of incoming wave arrivals) based on uniform circular arrays. An optimum weighting matrix is found and shown to satisfy a generalized centro-Hermitian relationship. As a result, an optimally weighted ESPRIT method is formulated. For a single low (altitude) angle source, the method provides more than 3 dB reduction in estimation variance.
Original languageEnglish
Pages (from-to)272-281
Number of pages10
JournalComputers & electrical engineering
Volume31
Issue number4-5
DOIs
Publication statusPublished - Jun 2005

Keywords

  • Mathematical models
  • Mobile communication systems
  • Signal processing
  • Wireless communication systems

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